Analysis
- max time kernel
150s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
02/01/2024, 23:07
General
- Target toolspub1.exe
- Size 203KB
- Sample240102-233abaecg7
- SHA256 9c98f0f798b53d28919e7c8f7331619c509e24045d1f4dd192f86f2a6115d483
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
-
smokeloader
-
2020
-
http://host-file-host6.com/
-
http://host-host-file8.com/
Signatures
- BetaBot
Beta Bot is a Trojan that infects computers and disables Antivirus.
- Modifies firewall policy service 2 TTPs 4 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Sets file execution options in registry 2 TTPs 4 IoCs
- Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Deletes itself 1 IoCs
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 3 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
- Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 36 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 3283⤵
- Program crash
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-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2008 -ip 20081⤵
-
C:\Users\Admin\AppData\Local\Temp\B863.exeC:\Users\Admin\AppData\Local\Temp\B863.exe1⤵
- Sets file execution options in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 11123⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\BEAD.exeC:\Users\Admin\AppData\Local\Temp\BEAD.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5048 -ip 50481⤵
-
C:\Users\Admin\AppData\Roaming\bwdajtfC:\Users\Admin\AppData\Roaming\bwdajtf1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\bwdajtfC:\Users\Admin\AppData\Roaming\bwdajtf2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 3283⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2240 -ip 22401⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/2008-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2008-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2008-8-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2240-71-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2240-75-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2452-1-0x00000000004B0000-0x00000000005B0000-memory.dmp
memory/2452-2-0x0000000000490000-0x0000000000499000-memory.dmp
memory/3416-22-0x0000000002800000-0x0000000002801000-memory.dmp
memory/3416-18-0x0000000002310000-0x0000000002376000-memory.dmp
memory/3416-21-0x0000000002310000-0x0000000002376000-memory.dmp
memory/3416-25-0x0000000002310000-0x0000000002376000-memory.dmp
memory/3416-20-0x0000000077134000-0x0000000077135000-memory.dmp
memory/3416-19-0x0000000000720000-0x000000000072D000-memory.dmp
memory/3416-16-0x0000000000010000-0x000000000006D000-memory.dmp
memory/3416-24-0x0000000002830000-0x000000000283C000-memory.dmp
memory/3416-33-0x0000000002310000-0x0000000002376000-memory.dmp
memory/3436-5-0x0000000001110000-0x0000000001126000-memory.dmp
memory/3436-72-0x0000000001160000-0x0000000001176000-memory.dmp
memory/3492-70-0x0000000000600000-0x0000000000700000-memory.dmp
memory/4604-64-0x0000000072670000-0x0000000072D87000-memory.dmp
memory/4604-59-0x0000000072670000-0x0000000072D87000-memory.dmp
memory/4960-47-0x0000000000800000-0x0000000000D96000-memory.dmp
memory/4960-40-0x0000000000800000-0x0000000000D96000-memory.dmp
memory/5048-62-0x00000000006B0000-0x0000000000AE3000-memory.dmp
memory/5048-63-0x00000000010C0000-0x0000000001184000-memory.dmp
memory/5048-60-0x00000000049D0000-0x00000000049D2000-memory.dmp
memory/5048-34-0x0000000002E20000-0x0000000002E21000-memory.dmp
memory/5048-28-0x00000000006B0000-0x0000000000AE4000-memory.dmp
memory/5048-31-0x00000000010C0000-0x0000000001184000-memory.dmp
memory/5048-29-0x00000000010C0000-0x0000000001184000-memory.dmp
memory/5048-26-0x00000000006B0000-0x0000000000AE4000-memory.dmp